Home / 14,265,336.36-19,688,020.83-7,988,254.08

Finding the Fourth Proportional to 14,265,336.36, 19,688,020.83 and 7,988,254.08

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Solution

The fourth proportional to 14,265,336.36, 19,688,020.83 and 7,988,254.08 is: 11,024,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265,336.36 : 19,688,020.83 = 7,988,254.08 : x
  2. Step 2: Convert to fraction form
    14,265,336.36/19,688,020.83 = 7,988,254.08/x
  3. Step 3: Cross multiply
    14,265,336.36x = 19,688,020.83 × 7,988,254.08
  4. Step 4: Simplify right side
    14,265,336.36x = 157,272,912,722,372.47
  5. Step 5: Solve for x
    x = 157,272,912,722,372.47/14,265,336.36
  6. Step 6: Final answer
    x = 11,024,830.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.